Just for completeness, my purchase didn't qualify for a refund since it was purchased more than 14-days ago (or in a special case, 30-days) and I have accumulated a large number of hours of playtime. I could force the issue but I don't know if it's worth it.
For reference, the link to Xbox Refund - https://support.xbox.com/en-US/help/subscriptions-billing/buy-games-apps/refund-orders
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You don't buy a cake and get a refund after taking a bite out of it.
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Makes sense for cakes. Some things paid in advance can be pro-rated since it's season 2 of 4 (assuming there are 4 seasons), refund could be pro-rated for 2-seasons remaining. Not all of the content has been consumed nor is it perishable.